A culture of bacteria starts with 50 bacteria and increases exponentially.
The relationship between B. the number of bacteria in the culture, and d. the elapsed time, in days, is modeled
by the following equation.
B = 50 - 10
In how many days will the number of bacteria in the culture reach 800.000?
Give an exact answer expressed as a base-ten logarithm.

In 9 days, the culture would have reached 800.000

Step-by-step explanation:

The relationship is between B. the number of bacteria in the culture, and d. the elapsed time, in days, is given as:

When the bacteria culture (B) = 800000, to calculate the days, we substitute in the modeled equation to get:

taking the base-ten logarithm of both sides,

d ≈ 9 days

In 9 days, the culture would have reached 800.000

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step-by-step explanation: